Home / 978,184.20-1,467,276.30-268,211.10

Finding the Fourth Proportional to 978,184.20, 1,467,276.30 and 268,211.10

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Solution

The fourth proportional to 978,184.20, 1,467,276.30 and 268,211.10 is: 402,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,184.20 : 1,467,276.30 = 268,211.10 : x
  2. Step 2: Convert to fraction form
    978,184.20/1,467,276.30 = 268,211.10/x
  3. Step 3: Cross multiply
    978,184.20x = 1,467,276.30 × 268,211.10
  4. Step 4: Simplify right side
    978,184.20x = 393,539,790,426.93
  5. Step 5: Solve for x
    x = 393,539,790,426.93/978,184.20
  6. Step 6: Final answer
    x = 402,316.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.